Suratthani Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Suratthani.
Climate overview of Suratthani
The climate in Suratthani, Koh Samui, Thailand, is remarkably consistent, with temperatures year-round averaging 32°C (90°F). The warmest month is April at 35°C (95°F), and the coolest is January at 30°C (86°F).
The city has a wet climate, receiving around 1901 mm (75 in) of rainfall per year. Despite the high annual total, it has a distinct rainy season from September to November. October is the wettest month.
Suratthani Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Suratthani — and find the best time to visit.
Monthly Temperature in Suratthani
In Suratthani temperatures are generally consistent throughout the year. On average, daytime temperatures range from a very warm 35°C (95°F) in April to a very warm 30°C (86°F) in January.
Nighttime temperatures range from 26°C (79°F) in April to 24°C (75°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Suratthani
Suratthani experiences significant rainfall throughout the year, averaging 1901 mm (75 in) of precipitation annually. The seasons in Suratthani bring significant changes in precipitation. The wettest month, October, receives heavy rainfall, with an average of 312 mm (12 in) of precipitation. This rainfall is distributed across 21 rainy days.
In contrast, the driest month, February, experiences much less rainfall, totaling 43 mm (1.7 in) over 3 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Suratthani Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Suratthani
To make the most of your visit, consider exploring early in the morning or during the pleasant late afternoon hours when the temperature is most comfortable.
Be aware that May, September, October and November constitute the rainy season, with significant precipitation. Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
Frequently asked questions about the climate in Suratthani
What is the best time to visit Suratthani?
January typically offers the most optimal weather in Suratthani. In contrast, March, April, May, June, July, August, September, October and November tend to have less optimal conditions. Suratthani has a distinct rainy season from September to November.
What temperatures can I expect in Suratthani?
Daytime highs range from 30°C (86°F) in January to 35°C (95°F) in April. Nighttime lows range from 24°C (75°F) to 26°C (79°F). Temperatures stay relatively stable year-round.
How much rain does Suratthani get?
Annual rainfall is around 1901 mm (75 in). October is the wettest month with 312 mm (12 in), while February is the driest with 43 mm (1.7 in).
Suratthani 3-Day Forecast
Suratthani 3-Day Forecast
Suratthani on the map
Suratthani is highlighted — select any city to see its climate.
Popular this month
Where to go in June — average daytime high across popular destinations.
Bangkok
35°C (95°F) Chiang Mai
34°C (93°F) Jomtien Beach33°C (91°F) Hua Hin
33°C (91°F) Koh Samui31°C (88°F) Patong Beach30°C (86°F) Ko Lanta31°C (88°F) Ao Nang Beach31°C (88°F) 
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Discover Kok Kood: a hidden gem in Thailand
Discover the hidden gem of Thailand - Koh Kood! Explore stunning beaches, waterfalls and eco-friendly resorts while enjoying a peaceful atmosphere away from the crowds.
Discover Thailand: An Ultimate Guide for Yogis
Explore Thailand's best for yogis: serene retreats, spiritual growth, and adventure. Dive into yoga, meditation, and nature's tranquility for an unforgettable journey.
Trekking in Northern Thailand
One of the most beautiful attractions in Thailand is trekking along mountain villages north of Chiang Mai. The best time to trek is November until February.
Elephant Haven in Thailand: Kindred Spirit Sanctuary
Explore the Kindred Spirit Elephant Sanctuary in Thailand. Experience hiking, observe elephants in nature, and see the positive impact on the community.